(Rock walls) can be high.Logical formLearned from18 sentences. A (rock musician) may rise from a grave.Logical formLearned from18 sentences. Colors may pertain-to rocks.Logical formLearned from18 sentences. A rock may pertain-to a mantle.Logical formLearned from18 sentences. Dozens can be constituted-of-or-filled-with rocks.Logical formLearned from18 sentences. Interest can be in rock.Logical formLearned from18 sentences. A male may become a rock.Logical formLearned from18 sentences. Rocks can be fresh.Logical formLearned from18 sentences. A rock can be cracked.Logical formLearned from18 sentences. A volcanic rock can be red.Logical formLearned from18 sentences. Minerals can be in a rock.Logical formLearned from18 sentences. Rocks can be mighty.Logical formLearned from18 sentences. An origin may pertain-to rocks.Logical formLearned from18 sentences. A rock can be impregnable.Logical formLearned from18 sentences. An igneous rock can be extrusive.Logical formLearned from18 sentences.